EchoStar II

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EchoStar II
Mission type Communications
Operator EchoStar
COSPAR ID 1996-055A OOjs UI icon edit-ltr-progressive.svg
SATCAT no. 24313
Mission duration12 years
Spacecraft properties
Bus AS-7000
Manufacturer Lockheed Martin
Launch mass2,885 kg (6,360 lb)
Dry mass2,000 kg (4,400 lb)
Power7 kW
Start of mission
Launch dateSeptember 11, 1996, 00:59 (1996-09-11UTC00:59Z) UTC
Rocket Ariane-42P H10-3
Launch site Kourou ELA-2
End of mission
DeactivatedJuly 14, 2008 (July 14, 2008)
Orbital parameters
Reference system Geocentric
Regime Geostationary
Longitude80° West (current position) [1]
Semi-major axis 42,146.0 km (26,188.3 mi) [1]
Perigee altitude 35,764.4 km (22,223.0 mi) [1]
Apogee altitude 35,787.2 km (22,237.1 mi) [1]
Inclination 7.1 degrees [1]
Period 1,435.2 minutes [1]
Epoch November 28, 2017 [1]
Transponders
Band16 Ku band
FrequencyUplink: 17.3 - 17.8 GHz
Downlink: 12.2 - 12.7 GHz
Bandwidth24 MHz
Coverage area Contiguous United States
EIRP 53 dBW
 

EchoStar II is a communications satellite operated by EchoStar. Launched in 1996 it was operated in geostationary orbit at a longitude of 148 degrees west for 12 or 15 years.

Contents

Satellite

The launch of EchoStar I made use of an Ariane 4 rocket flying from Guiana Space Centre in Kourou, French Guiana. The launch took place at 00:59 UTC on September 11, 1996, [2] with the spacecraft entering a geosynchronous transfer orbit. The spacecraft carried 16 Ku band transponders to enable direct broadcast communications and television channels through 0.5 metres (1 ft 8 in) dishes on the ground in the Contiguous United States. [3]

From September 1996 to November 2001, it was at position 118.8° W, while from December 2001 until July 2008, it was at position 148° W. The satellite ended its activities on July 14, 2008.

Specifications

See also

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References

  1. 1 2 3 4 5 6 7 N2yo. "ECHOSTAR 2" . Retrieved November 28, 2017.
  2. NASA, Goddard Space Fight Center. "Echostar 2" . Retrieved November 28, 2017.
  3. The Satellite Encyclopedia. "EchoStar 2" . Retrieved November 28, 2017.